---
layout: "default"
title: "FloatingPointClassification"
description: "Swift documentation for 'FloatingPointClassification': The set of possible IEEE 754 &quot;classes&quot;."
keywords: "FloatingPointClassification,enum,swift,documentation"
root: "/v2.0"
---

<div class="intro-declaration"><code class="language-swift">enum FloatingPointClassification</code></div>

<div class="discussion comment">
    <p>The set of possible IEEE 754 &quot;classes&quot;</p>
</div>

<table class="standard">
<tr>
<th id="inheritance">Inheritance</th>
<td>
<code class="inherits">Equatable</code>
<span class="viz"><a href="hierarchy/">View Protocol Hierarchy &rarr;</a></span>
</td>
</tr>



<tr>
<th>Import</th>
<td><code class="language-swift">import Swift</code></td>
</tr>

</table>

<h3 id="cases">Cases</h3>
<div class="declaration" id="case-SignalingNaN">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-SignalingNaN">case SignalingNaN</a>
</div>
<div class="declaration" id="case-QuietNaN">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-QuietNaN">case QuietNaN</a>
</div>
<div class="declaration" id="case-NegativeInfinity">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-NegativeInfinity">case NegativeInfinity</a>
</div>
<div class="declaration" id="case-NegativeNormal">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-NegativeNormal">case NegativeNormal</a>
</div>
<div class="declaration" id="case-NegativeSubnormal">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-NegativeSubnormal">case NegativeSubnormal</a>
</div>
<div class="declaration" id="case-NegativeZero">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-NegativeZero">case NegativeZero</a>
</div>
<div class="declaration" id="case-PositiveZero">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-PositiveZero">case PositiveZero</a>
</div>
<div class="declaration" id="case-PositiveSubnormal">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-PositiveSubnormal">case PositiveSubnormal</a>
</div>
<div class="declaration" id="case-PositiveNormal">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-PositiveNormal">case PositiveNormal</a>
</div>
<div class="declaration" id="case-PositiveInfinity">
<a class="toggle-link" data-toggle="collapse" href="#comment-case-PositiveInfinity">case PositiveInfinity</a>
</div>








